KNH21C473DA3T Filters

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The KNH21C473DA3T EMI/RFI Filter is an advanced ultra-low-profile capacitors designed to filter electromagnetic interference and radio frequency interference from microprocessors in a wide variety of applications. Its unique design offers excellent performance in signal filtering, shielding, and noise cancellation. This filter is typically used in applications such as automotive electronics, consumer electronics, medical devices, and many other industries.

The KNH21C473DA3T EMI/RFI Filter is a Low-Pass (LP) filter that is used for protection against RFI and EMI interference. The filter consists of two components, an inductor and a capacitor, arranged in an LC network. The inductor provides the necessary inductance for the current to flow, while the capacitor blocks higher-frequency signals. The filter also has an internal shielding film for increased interference protection. The filter is designed for use in a variety of applications, such as automotive, consumer electronics, medical, and power electronics.

The working principle of the KNH21C473DA3T EMI/RFI Filter is based on the concept of impedance matching. As the signal passes through the filter, the reflected noise will be equal to the impedance of the filter itself. The filter will absorb the incoming signals of high frequency, allowing only those signals of low frequency to pass through the filter, and rejecting the rest. This helps reduce the amount of EMI and RFI interference in the area, and helps protect the system from interference caused by nearby devices or objects.

The KNH21C473DA3T EMI/RFI Filter provides excellent shielding against electromagnetic and radio-frequency interferences, making it ideal for use in many different environments and applications. With its unique design, this filter offers reliable and efficient filtering, helping ensure that signals are properly filtered and protected. In addition, the filter is easy to install and maintain, making it an attractive choice for many different applications.

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